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Recognised as Colour

#421B42

  • #421B42
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#421B42 is a magenta with RGB values 66, 27, 66 and HSL 300°, 42%, 18%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#421B42#421B42
HEX#421B42
RGBrgb(66, 27, 66)
RGB (0–1)0.2588, 0.1059, 0.2588
RGB percentages25.9%, 10.6%, 25.9%
HSLhsl(300, 41.9%, 18.2%)
HSV / HSBhsv(300, 59.1%, 25.9%)
CMYK0%, 59.1%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,332,354
CSS custom property--colour: #421B42;

Brightness & contrast

Relative luminance0.02335WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.31:1
Contrast with white14.31:1WCAG normal text: AAA
Contrast with black1.47:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#BDE4BD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#172743no red cones; affects about 1% of men; ΔE 22.1 from the original
Deuteranopia#232C41no green cones; the most common form, about 1% of men; ΔE 22.8 from the original
Tritanopia#441F2Bno blue cones; rare, and affects men and women equally; ΔE 17.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.31:1WCAG large text: AAA
Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 29.1Midnight blue · ΔE 33.8Black · ΔE 34.7Rebecca purple · ΔE 38.8Dim grey · ΔE 40.7Purple · ΔE 41.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 29.13, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B421B
Analogous#2F1B42, #421B2F
Triadic#42421B, #1B4242
Split complementary#2F421B, #1B422F
Tetradic#422F1B, #1B421B, #1B2F42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C168C1
Lighter +30%#AF47AF
Lighter +20%#8A398A
Lighter +10%#662A66
Darker −10%#1E0C1E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4E0F4E
Less saturated −25%#362736

Channel breakdown

R66
G27
B66
Red66 (25.9%)
Green27 (10.6%)
Blue66 (25.9%)
Hue300°
Saturation (HSL)41.94%
Lightness18.24%
Dominant channelRed and Blue
Hex per channelR 42 · G 1B · B 42

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Every value on this page was computed from “421b42” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.